drill grinding patents

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US2202819A

drill trough grinding wheel holder block Prior art date 1938-05-02 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

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Drill Bit Sharpeners Quick View Sharpeners Drill Doctor 750X $ 139.95 Quick View Sharpeners Drill Doctor 500X $ 99.95 Quick View Sharpeners Drill Doctor XP $ 99.95 ...

US6244938B1

Subsequent patents relating to drill grinder constructions include U.S. Pat. No. 4,001,975 and U.S. Pat. No. 4,093,247. Other patents relating to this general technology include U.S. Pat. No....

Grinding apparatus for buttons on rock drill bit

US Patents/Apps Other SEARCH TOOLS & RESOURCES Title: Grinding apparatus for buttons on rock drill bit United States Patent 7402093 Abstract: The present invention relates to grinding apparatus for grinding the hard metal inserts ...

Inferior concha grinding drill

The invention relates to a grinding drill for inferior turbinate bone, applied to grind inferior turbinate bone of a patient. The drill comprises a straight handle and a grinding head integrally connected onto the end of the straight handle grinding teeth are provided on the ...

Drill grinding attachment

The drill bit holding element is comprised of a first arm and a second arm each of which has an opening for the reception therein of the second shaft to thereby hold the drill bit in place for subsequent sharpening against the grinding wheel.

Patents Assigned to Darex Corporation

The drill sharpener uses a small diameter grinding wheel operated at high speed to provide cutting rates comparable to large industrial sharpeners. The drill chuck is of short length, relative to most of the drills to be sharpened, and is open at the back end, enabling the manipulation of the drill by its shank relative to the drill chuck when disposed in the alignment subassembly.

Method of drill grinding

New! → US patents search Search Patent registration Method of drill grinding B24B3/24 - of drills (by fluting the shank B24B0019040000) FIELD: process engineering. SUBSTANCE: method relates to drill rake grinding and comprises positioning the drill so that ...

US Patent for Drill and drill grinding method and apparatus …

Justia Patents US Patent for Drill and drill grinding method and apparatus Patent (Patent # 5,263,286) Drill and drill grinding method and apparatus Oct 21, 1992 A drill having a pair of cutting edges formed at one end of a shank and arranged symmetrically with ...

US Patent: 2,142,923

US patent 2,142,923 Drill grinding machine was issued to Roderick P. Stocking of Drexel Hill, PA. It was granted on 01/03/1939. Patent number seen on a Type 1-G drill grinder

heavygp

US819173A - Drill-grinding machine. Google Patents Connect public, paid and private patent data with Drill-grinding machine. Info Publication number US819173A US819173A USA US819173A US 819173 A US819173 A US 819173A US A US A US A US 819173 A ...

Spade drill sharpening fixture

To use the grinding fixture, the operator first ascertains which spade drill is to be ground, and from that information determines the series into which such drill falls. From this information, the proper locating block 57 can be selected and fastened in the slot 47 at the proper place.

Accessory for sharpening of twist drills

Note also that drill cutting edge is placed at termination of grinding at the distance equal to 0.01-0.45 of drill diameter. Direct profile grinding wheel is used as grinding tool. EFFECT: surfacing of drill wear along cutting edge. 7 dwg, 1 tbl

Patents Assigned to C.M.E. Blasting & Mining Equipment …

Justia - Patents - Patents and Patent Application Resources Abstract: A locking means for a bit holder fixture for use with grinding apparatus for grinding the hard metal inserts of rock drill bits is provided. The locking means has a macro adjustment for quick ...

US6244938B1

- Google Patents A drill grinding machine employs independent servo motors for drill rotation, drill lift, and drill feed. The three motors are connected through respective suitable drive...

B24B 3

Patents Sitemap › B24 - Grinding; Polishing › B24B - Machines, devices, or processes for grinding ... EP0296805A1 Drill grinding machines 12/28/1988 EP0296708A1 Method and apparatus for log ...

US3374587A

Crawford ZNVENTORS BY and United States Patent 3,374,587 DRILL GRINDING ATTACHMENT Thomas W. Simpkins, 4605 Leeds St., El Paso, Tex. 79903, …

US4142332A

- Google Patents A drill grinding fixture for drills of between about 1/16 to 1/2 inch diameter, including an inclined trough member for receiving the drill to project from the forward end of the...

Electric thinning drill for jaw

The utility model discloses an electric thinning drill for jaws. The utility model comprises an anti-splash cover, a grinding head 2, a protective jacket 3, a main shaft 4, a bearing sleeve 5, a locating disk 6, a motor casing 7, a light fitting, etc., wherein the main shaft ...

Dental drill or grinding bit for forming crown-receiving …

The drill bit includes a stop portion (1) located above its cutting or grinding surface (2). The cutting surface has a cross-sectional shape corresponding to the required cross-sectional profile of the tooth stump. A series of bits may be provided, each having a cross ...

abrasion drilling

Dental rotary abrasive drill points, grinding stones, grinding wheels, polishing wheels and cutting discs springer Techniques currently available for the treatment of chondral defects include abrasion, drilling, micro-fracturing, tissue autografts, allografts, and cell transplantation.

Drill Cuttings Disposal Company, LLC

The Drill Cuttings Disposal Company was formed, to provide the same Products and Services, i.e. Cuttings Handling, Treatment and Injection Disposal Services, similar in scope to our last company, Apollo Services, a business that we founded in 1986 and sold a few

Method of drill grinding

1 - drill; 2 - grinding tool; 3 - cutting edge drill; 4 - the axis of rotation of the grinding tool; 5 - axis drill rotation. The method of sharpening drills is as follows. Before sharpening the drill bit 1 is positioned relative to the grinding tool 2 as follows.

DRILL GRINDING MACHINE

A simplified drill grinding machine capable of enabling unskilled persons to be quickly trained for high-production hand sharpening of drills, end mills, and the like, in which the indexing of the drill and the rate and degree of grinding thereof is manually provided and ...

Drill grinding fixture

A drill grinding fixture for drills of between about 1/16 to 1/2 inch diameter, including an inclined trough member for receiving the drill to project from the forward end of the trough member toward the vertical face of a grinding wheel. The trough member is rotatable on a ...

Folke Werner Inventions, Patents and Patent Applications

Abstract: In a drill grinding device with a grinding surface (7) disposed around a center axis (1), providing a conical grinding surface (8), a drill guide piece (11, 12) opposite the grinding surface with guide channels (13) which are parallel to the center axis for guiding the drills to the grinding surface, the guide channels at least approximately being tangent to an imaginary cylinder ...

:::Welcome to Taiwan More-cash Village Corporation:::

Patents around the world TMCV Corporation has more than 20 years of professional experience in the field of grinding machine manufacturing, we have spend long term investing in the production technology, with a very strict production quality control, all of the ...

US2583159A

DRILL GRINDING APPARATUS Filed Oct. 8, 1948 2 SHEETS-SHEET ''2,fla/)74242077247 Patented Jan. 22, 1952 UNITED STA-''rss lement lOFFICE DRILL GRINDING APPARATUS Nels H. Swanson, Chicago, Ill. Application october s, 194s, serial No. 53,434

GB2116464A

A drill (18) to be resharpened is chucked in a clamping chuck (16) of a clamping head (14) so as to undergo either conical grinding or four-surface grinding on the plane surface (48) of the grinding wheel (26). A crank handle (70) serves as a drive element for executing ...

US607306A

US607306A - Twist-drill-grinding machine - Google Patents